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Summary: Ctors | Protected Methods | Inherited Methods

# SSLContextSpi

`public abstract class SSLContextSpi`
`extends Object` ``

java.lang.Object
↳ | javax.net.ssl.SSLContextSpi

This class defines the Service Provider Interface (SPI) for the `SSLContext` class.

All the abstract methods in this class must be implemented by each cryptographic service provider who wishes to supply the implementation of a particular SSL context.

See also:

- `SSLContext`

## Summary

### Public constructors
`SSLContextSpi()`

### Protected methods
`abstract SSLEngine` | `engineCreateSSLEngine()` Creates a new `SSLEngine` using this context.
`abstract SSLEngine` | `engineCreateSSLEngine(String host, int port)` Creates a `SSLEngine` using this context.
`abstract SSLSessionContext` | `engineGetClientSessionContext()` Returns a client `SSLSessionContext` object for this context.
`SSLParameters` | `engineGetDefaultSSLParameters()` Returns a copy of the SSLParameters indicating the default settings for this SSL context.
`abstract SSLSessionContext` | `engineGetServerSessionContext()` Returns a server `SSLSessionContext` object for this context.
`abstract SSLServerSocketFactory` | `engineGetServerSocketFactory()` Returns a `ServerSocketFactory` object for this context.
`abstract SSLSocketFactory` | `engineGetSocketFactory()` Returns a `SocketFactory` object for this context.
`SSLParameters` | `engineGetSupportedSSLParameters()` Returns a copy of the SSLParameters indicating the maximum supported settings for this SSL context.
`abstract void` | `engineInit(KeyManager[] km, TrustManager[] tm, SecureRandom sr)` Initializes this context.

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Public constructors

### SSLContextSpi

    public SSLContextSpi ()

## Protected methods

### engineCreateSSLEngine

    protected abstract SSLEngine engineCreateSSLEngine ()

Creates a new `SSLEngine` using this context.

Applications using this factory method are providing no hints for an internal session reuse strategy. If hints are desired, `engineCreateSSLEngine(java.lang.String, int)` should be used instead.

Some cipher suites (such as Kerberos) require remote hostname information, in which case this factory method should not be used.

Returns
`SSLEngine` | the `SSLEngine` Object

Throws
`IllegalStateException` | if the SSLContextImpl requires initialization and the `engineInit()` has not been called

See also:

- `SSLContext.createSSLEngine()`

### engineCreateSSLEngine

    protected abstract SSLEngine engineCreateSSLEngine (String host,
                    int port)

Creates a `SSLEngine` using this context.

Applications using this factory method are providing hints for an internal session reuse strategy.

Some cipher suites (such as Kerberos) require remote hostname information, in which case peerHost needs to be specified.

Parameters
`host` | `String`: the non-authoritative name of the host
`port` | `int`: the non-authoritative port

Returns
`SSLEngine` | the `SSLEngine` Object

Throws
`IllegalStateException` | if the SSLContextImpl requires initialization and the `engineInit()` has not been called

See also:

- `SSLContext.createSSLEngine(String, int)`

### engineGetClientSessionContext

    protected abstract SSLSessionContext engineGetClientSessionContext ()

Returns a client `SSLSessionContext` object for this context.

Returns
`SSLSessionContext` | the `SSLSessionContext` object

See also:

- `SSLContext.getClientSessionContext()`

### engineGetDefaultSSLParameters

    protected SSLParameters engineGetDefaultSSLParameters ()

Returns a copy of the SSLParameters indicating the default settings for this SSL context.

The parameters will always have the ciphersuite and protocols arrays set to non-null values.

The default implementation obtains the parameters from an SSLSocket created by calling the SocketFactory.createSocket() method of this context's SocketFactory.

Returns
`SSLParameters` | a copy of the SSLParameters object with the default settings

Throws
`UnsupportedOperationException` | if the default SSL parameters could not be obtained.

### engineGetServerSessionContext

    protected abstract SSLSessionContext engineGetServerSessionContext ()

Returns a server `SSLSessionContext` object for this context.

Returns
`SSLSessionContext` | the `SSLSessionContext` object

See also:

- `SSLContext.getServerSessionContext()`

### engineGetServerSocketFactory

    protected abstract SSLServerSocketFactory engineGetServerSocketFactory ()

Returns a `ServerSocketFactory` object for this context.

Returns
`SSLServerSocketFactory` | the `ServerSocketFactory` object

Throws
`IllegalStateException` | if the SSLContextImpl requires initialization and the `engineInit()` has not been called

See also:

- `SSLContext.getServerSocketFactory()`

### engineGetSocketFactory

    protected abstract SSLSocketFactory engineGetSocketFactory ()

Returns a `SocketFactory` object for this context.

Returns
`SSLSocketFactory` | the `SocketFactory` object

Throws
`IllegalStateException` | if the SSLContextImpl requires initialization and the `engineInit()` has not been called

See also:

- `SSLContext.getSocketFactory()`

### engineGetSupportedSSLParameters

    protected SSLParameters engineGetSupportedSSLParameters ()

Returns a copy of the SSLParameters indicating the maximum supported settings for this SSL context.

The parameters will always have the ciphersuite and protocols arrays set to non-null values.

The default implementation obtains the parameters from an SSLSocket created by calling the SocketFactory.createSocket() method of this context's SocketFactory.

Returns
`SSLParameters` | a copy of the SSLParameters object with the maximum supported settings

Throws
`UnsupportedOperationException` | if the supported SSL parameters could not be obtained.

### engineInit

    protected abstract void engineInit (KeyManager[] km,
                    TrustManager[] tm,
                    SecureRandom sr)

Initializes this context.

Parameters
`km` | `KeyManager`: the sources of authentication keys
`tm` | `TrustManager`: the sources of peer authentication trust decisions
`sr` | `SecureRandom`: the source of randomness

Throws
`KeyManagementException` | if this operation fails

See also:

- `SSLContext.init(KeyManager[], TrustManager[], SecureRandom)`

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